Fuel economy in furnaces can be achieved by_________________?

Question: An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace.
[A].

walking beam

[B].

shaft

[C].

tunnel

[D].

rotary hearth

Answer: Option A

Explanation:

No answer description available for this question.

Question: In salt bath furnace, heat is transferred to the charge mainly by
[A].

conduction

[B].

convection

[C].

radiation

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the
[A].

rate of firing and emissivity of flame.

[B].

thermal conductivity of the charge & structural materials of furnace.

[C].

nature of process ; whether batch, continuous or intermittant.

[D].

all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Question: In producer gas making furnace, steam is added along with air to mainly control the
[A].

fusion of coal ash & clinker formation.

[B].

C. V. of producer gas.

[C].

temperature of producer gas.

[D].

tar content in producer gas.

Answer: Option A

Explanation:

No answer description available for this question.